# Sentry outage on 21 October 2026

> On 21 October, Sentry's US region was not loading from 08:54 to 09:53 UTC, an incident of about one hour that the status page rated a critical outage. According to the status page, the API, Dashboard, Integration Pipeline and Seer components were in critical outage until 09:23, when the problem was reported fixed. From 09:40 to 09:53 the status page showed a minor issue with US ingestion, saying native events ingestion was delayed while a backlog was processed. Musixmatch also reported degraded performance during the same period.

- Service: [Sentry](https://stackpulse.app/services/sentry.md)
- Severity: critical
- Title on the status page: Sentry.io not loading in US region
- Started: 2026-10-21 08:55 UTC
- Ended: 2026-10-21 09:54 UTC
- Lasted: 59 min
- Incident open on the status page: 08:54–09:53 UTC
- The status page's incident: https://stspg.io/r52z51588y46
- Page: https://stackpulse.app/services/sentry/outages/2026-10-21-0855

## What broke when (UTC)

| Component | Status | From | To |
|---|---|---|---|
| API | major outage | 2026-10-21 08:54 | 2026-10-21 09:23 |
| Dashboard | major outage | 2026-10-21 08:54 | 2026-10-21 09:23 |
| Integration Pipeline | major outage | 2026-10-21 08:54 | 2026-10-21 09:23 |
| Seer | major outage | 2026-10-21 08:54 | 2026-10-21 09:23 |
| US Ingestion - US Error Ingestion | degraded performance | 2026-10-21 09:40 | 2026-10-21 09:53 |
| US Ingestion - US Profile Ingestion | degraded performance | 2026-10-21 09:40 | 2026-10-21 09:53 |
| US Ingestion - US Size Analysis Ingestion | degraded performance | 2026-10-21 09:40 | 2026-10-21 09:53 |
| US Ingestion - US Snapshot Ingestion | degraded performance | 2026-10-21 09:40 | 2026-10-21 09:53 |

## At the same time

- [Musixmatch](https://stackpulse.app/services/musixmatch.md): issue from 2026-10-21 08:04 UTC

Problems at the same time are a clue, never proof that one caused another.

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